Elastic Security Detection Rules

Suspicious Managed Code Hosting Process

Last updated 2 months ago on 2025-03-20
Created 5 years ago on 2020-08-21

About

Identifies a suspicious managed code hosting process which could indicate code injection or other form of suspicious code execution.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Defense EvasionData Source: Elastic DefendData Source: SysmonData Source: Microsoft Defender for EndpointData Source: SentinelOneData Source: Elastic EndgameData Source: CrowdstrikeLanguage: eql
Severity
high
Risk Score
73
MITRE ATT&CK™

Defense Evasion (TA0005)(opens in a new tab or window)

↳ Process Injection (T1055)(opens in a new tab or window)

License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Event Correlation Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
winlogbeat-*logs-endpoint.events.file-*logs-windows.sysmon_operational-*logs-m365_defender.event-*logs-sentinel_one_cloud_funnel.*endgame-*logs-crowdstrike.fdr*
Related Integrations

endpoint(opens in a new tab or window)

windows(opens in a new tab or window)

m365_defender(opens in a new tab or window)

sentinel_one_cloud_funnel(opens in a new tab or window)

crowdstrike(opens in a new tab or window)

Query
file where host.os.type == "windows" and event.type != "deletion" and
  file.name : ("wscript.exe.log",
               "cscript.exe.log",
               "mshta.exe.log",
               "wmic.exe.log",
               "svchost.exe.log",
               "dllhost.exe.log",
               "cmstp.exe.log",
               "regsvr32.exe.log")

Install detection rules in Elastic Security

Detect Suspicious Managed Code Hosting Process in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).